Bump markdown-link-check from 3.12.2 to 3.13.6

Bumps [markdown-link-check](https://github.com/tcort/markdown-link-check) from 3.12.2 to 3.13.6.
- [Release notes](https://github.com/tcort/markdown-link-check/releases)
- [Changelog](https://github.com/tcort/markdown-link-check/blob/master/CHANGELOG.md)
- [Commits](tcort/markdown-link-check@v3.12.2...v3.13.6)

---
updated-dependencies:
- dependency-name: markdown-link-check
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -3,7 +3,7 @@
     "ajv-cli": "5.0.0",
     "ajv-formats": "3.0.1",
     "github-label-sync": "2.3.1",
-    "markdown-link-check": "3.12.2",
+    "markdown-link-check": "3.13.6",
     "markdownlint-cli": "0.43.0",
     "prettier": "3.3.3"
   },